package service;

public class Service{

	
	static protected Service instance=null;
	
	protected Service()
	{
	}
	
	static public Service getInstance()
	{
		if(instance==null)
			instance=new Service();
		return instance;
	}
	
	public void start()
	{
		System.out.println("start listening");
	}

	
	public void stop()
	{
		System.out.println("stop listening");
	}
	
	
	
}
